Unit 6 Test

Question 1

Epithelia tissue: (made of and partial function)

Answer 1

Stratified squamous, waterproofed from keratin

Question 2

1st line of defense when not compromised

Answer 2

The skin

Question 3

What serve as portal of entry to the dermis?

Answer 3

Pores

Question 4

Dermis contains:

Answer 4

hair follicles, sweat glands, oil glands

Question 5

Perspirations contains:

Answer 5

salt, lysozyme (antibacterial), antimicrobial peptides

Question 6

Sebum:

Answer 6

oil (nutritive for some microbes)

Question 7

Mucus membranes:

Answer 7

Line cavities that open to the outside,

are often acidic for protective purposes,

Question 8

Mucus membranes of the eyes:

Answer 8

are washed with tears which contain lysozyme (antibacterial)

Question 9

Normal microbiota: on the skin,

Answer 9

must survive drying and increased salt concentrations

Question 10

microbiota on the skin

Answer 10

Usually G+

S. epidermidis, M. luteus

Question 11

microbes in the sweat glands:

Answer 11

will reestablish colonies in a matter of hours, (

increase in microbes on skin)–handwashing lab

Question 12

microbes in axilla and groin

Answer 12

metabolize the lipids and proteins on the skin, creating body odor

Question 13

Diphtheroids:

Answer 13

G+ pleomorphic (more than one shape,

Proprionbacterium acnes, which creates acne,

Corynebacterium xerosis

Question 14

Dandruff:

Answer 14

fungal infection of the scalp

Question 15

Skin Lesions (Vesicle)

Answer 15

Small, flat lesion with fluid

Question 16

Bullae

Answer 16

Vesicle greater than 1cm

Question 17

Macule:

Answer 17

flattened red lesion

Question 18

Papule

Answer 18

raised lesion

Question 19

Pustule:

Answer 19

papule that contains pus

Question 20

Staphylococcal categories

Answer 20

Coagulase+ or Coagulaese-

Question 21

S. epidermis:

Answer 21

common on skin and can become pathogenic (common during catheter use due to the formation of biofilms.

Question 22

S. aureus:

Answer 22

Common in nasal passages and has pigment to protect from UV light,

coagulase+, produces enterotoxins, blocks chemotaxis, resistant to opsonization, neutralizes defense, lysozyme resistant

Question 23

Folliculitis:

Answer 23

inflammation of hair follicle (pimple)

Question 24

Sty:

Answer 24

Staph infection of the eyelash

Question 25

Furuncle

Answer 25

"boil" localized region of pus, (type of abscess where the organism is walled off, and difficult for antibiotics to penetrate, so it is best to remove.

Question 26

Impetigo:

Answer 26

S. epidermis, S. aureus, Streptococcus pyogenes, usually enters through a break in the skin, Symptoms are caused by host's immune system

Question 27

Scaled skin syndrome

Answer 27

form of impetigo caused by S. aureus, causes exfoliation so that skin peels off, common in infants

Question 28

Toxic Shock Syndrome

Answer 28

fever, vomiting, sunburn-like rash, shock, organ failure, death, caused by: abrasive tampons, surgical procedure, abortions

Question 29

Streptococcal

Answer 29

Cause of meningitis, pneumonia, sore throat, ear infections, endocardium, dental caries, may produce hemolysin (from breaking down RBCs),

Question 30

Worst of the strep family

Answer 30

S. pyogenes

Question 31

S. pyogenes, (worst of the strep family):

Answer 31

beta-hemolytic, M protein provides protection from increased temps, and adheres to host cells necrotizing fasciitis: caused by strep infection and can become systemic, 40% mortality, rate, symptoms caused by bodies immune system and can attack the heart valves

Question 32

Pseudomonas aeruginosa

Answer 32

Common opportunistic organism (burn patients), produces exotoxins and endotoxins, forms biofilms: forms blue/green biofilm in vases/buckets of standing water

Question 33

Warts:

Answer 33

Viral disease of the skin, can have an incubation time of several months: not caused by frogs or toads, caused by HSVII

Question 34

Smallpox:

Answer 34

Viral disease of the skin, 1st cause of biological terrorism which included Ukrained, in which bodies were catapulted over a wall, Native Americans were given blankets inoculated with smallpox, forms lesions that become pustules in 18 days, respiratory transmission, declared eradicated in 1980s, stockpiles in the US and USSR broke apart into several small countries for bioterrorism

Question 35

Monkey pox:

Answer 35

1st seen in zoos and in monkeys from Africa, transferred from monkey to monkey, not to human.